Covering Whitchurch, South Glamorgan
Our coverage around Whitchurch, South Glamorgan (CF14, CF5) also includes Cardiff (3 miles to the south-east) and Caerphilly.
Homes in South Glamorgan
Housing in Wales ranges from terraced streets in the valleys and older industrial towns to stone-built homes in rural areas and modern estates around the cities.
What does a house-to-flat conversion involve?
A house-to-flat conversion divides a single house into two or more self-contained flats, each with its own front door, kitchen and bathroom. It always needs planning permission and full building regulations approval, particularly for fire separation and sound insulation between flats.
- Fire separation and sound insulation between flats
- Separate electrics, heating and metering
- Kitchens, bathrooms and finishes
How much should I budget for a house-to-flat conversion?
What house-to-flat conversions typically cost. These are guide ranges; the written quote for your house replaces them.
Priced on survey.
Planning and building rules in Whitchurch, South Glamorgan
In Wales the planning rules, including what counts as permitted development, are set by the Welsh Government, and Welsh building regulations differ in places from England’s. We check both against your house before drawings are finalised, and handle party wall notices where needed.
This needs full planning permission from your council in Wales. We prepare and submit the application and deal with the planning officer on your behalf.
What can change the price or programme?
- Each flat needs its own utilities and metering.
- Sound insulation between flats is tested on completion.
From first call to completion
- Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
- Free site visit. We measure up, look at access, drains and the structure, and talk through options and budget.
- Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
- Construction and completion. One site lead co-ordinates every trade through to the building control certificate.
House-to-flat conversions: common questions
Does converting a house into flats need planning permission?
Yes, always. Subdividing a house into flats is development under planning law.
What are the main building regulations issues?
Fire separation between flats, protected escape routes, sound insulation and separate services.
Can you visit a house in Whitchurch, South Glamorgan to quote?
Yes. After a short call we arrange a site visit to measure up and agree what the design needs to do, then send a written price.
House-to-flat conversions in nearby towns
- House-to-flat conversions in Cardiff
- House-to-flat conversions in Caerphilly
- House-to-flat conversions in Penarth
- House-to-flat conversions in Pontypridd
Learn more about house-to-flat conversions, or see every project we cover in Whitchurch.

